Highly Secure Privacy-Preserving Outsourced k-Means Clustering under Multiple Keys in Cloud Computing

Table 2

The summary of schemes.

Scheme	S/AS	Multiple data owners	Multiple keys	Cipher comparison	Security	Multidimensional data
[22]	AS
[23]	S
[26]	AS
[30]	AS
[34]	AS
[19]	AS
Ours	AS

S/AS: symmetric/asymmetric.